package com.mtt.erp.common.kdniao;

import com.alibaba.fastjson.JSONObject;
import com.mtt.erp.common.exception.MttErpException;
import com.sun.org.apache.xerces.internal.impl.dv.util.Base64;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import java.security.MessageDigest;
import java.util.HashMap;
import java.util.Map;

/**
 * 快递鸟工具类
 */
@Component
@Slf4j
public class KdniaoUtils {
    //电商ID
    private static String eBusinessID;
    //电商加密私钥，快递鸟提供，注意保管，不要泄漏
    private static String appKey;
    //电子面单下单API
    private static String apiEorderservice;
    //物流跟踪API
    private static String apiDict;
    //及时查询API
    private static String apiEbusinessOrderHandle;

    @Value("${kdniao.EBusinessID}")
    public  void seteBusinessID(String eBusinessID) {
        KdniaoUtils.eBusinessID = eBusinessID;
    }

    @Value("${kdniao.AppKey}")
    public  void setAppKey(String appKey) {
        KdniaoUtils.appKey = appKey;
    }

    @Value("${kdniao.api.Eorderservice}")
    public  void setApiEorderservice(String apiEorderservice) {
        KdniaoUtils.apiEorderservice = apiEorderservice;
    }

    @Value("${kdniao.api.dist}")
    public  void setApiDict(String apiDict) {
        KdniaoUtils.apiDict = apiDict;
    }

    @Value("${kdniao.api.EbusinessOrderHandle}")
    public static void setApiEbusinessOrderHandle(String apiEbusinessOrderHandle) {
        KdniaoUtils.apiEbusinessOrderHandle = apiEbusinessOrderHandle;
    }

    /**
     * Json方式 电子面单下单
     *
     * @throws Exception
     */
    public static String orderOnlineByJson(String requestData) throws Exception {
        String result = commonPre(apiEorderservice, requestData, "1007");
        System.out.println(result);
        //根据公司业务处理返回的信息......
        JSONObject resultJson = JSONObject.parseObject(result);

        //面单html
        resultJson.getString("PrintTemplate");
        if(resultJson.getBoolean("Success")==true){
            //物流面单存储操作
            JSONObject orderJson = resultJson.getJSONObject("Order");
            //订单编号
            orderJson.getString("OrderCode");
            //物流公司编码
            orderJson.getString("ShipperCode");
            //物流单号
            orderJson.getString("LogisticCode");
        }else{
            log.error(resultJson.getString("Reason"));
            throw new MttErpException(resultJson.getString("Reason"));
        }
        return result;
    }

    //取消电子面单
    //支持快递公司：顺丰速运、优速快递、百世快递、承诺达、腾林物流
    public String cannelOrder(String requestData) {
        return null;
    }

    // 即时查询接口
    //3000次每天，每单限查5次
    public static String orderHandle(String expCode, String expNo) throws Exception {
        String requestData= "{'OrderCode':'','ShipperCode':'" + expCode + "','LogisticCode':'" + expNo + "'}";
        return  commonPre(apiEbusinessOrderHandle,requestData,"1002");
    }

    /**
     * 物流信息跟踪
     *
     * @param requestData
     * @return
     */
    public static String orderTracesSubByJson(String requestData) throws Exception {
        String result = commonPre(apiDict, requestData, "1008");
        //根据公司业务处理返回的信息......
        return result;
    }

    public static String commonPre(String requestUrl, String requestData, String requestType) throws Exception {
        Map<String, String> params = new HashMap<String, String>();
        params.put("RequestData", urlEncoder(requestData, "UTF-8"));
        params.put("EBusinessID", eBusinessID);
        params.put("RequestType", requestType);
        String dataSign = encrypt(requestData, appKey, "UTF-8");
        params.put("DataSign", urlEncoder(dataSign, "UTF-8"));
        params.put("DataType", "2");
        String result = sendPost(requestUrl, params);
        return result;
    }


    /**
     * MD5加密
     *
     * @param str     内容
     * @param charset 编码方式
     * @throws Exception
     */
    @SuppressWarnings("unused")
    private static String MD5(String str, String charset) throws Exception {
        MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(str.getBytes(charset));
        byte[] result = md.digest();
        StringBuffer sb = new StringBuffer(32);
        for (int i = 0; i < result.length; i++) {
            int val = result[i] & 0xff;
            if (val <= 0xf) {
                sb.append("0");
            }
            sb.append(Integer.toHexString(val));
        }
        return sb.toString().toLowerCase();
    }

    /**
     * base64编码
     *
     * @param str     内容
     * @param charset 编码方式
     * @throws UnsupportedEncodingException
     */
    private static String base64(String str, String charset) throws UnsupportedEncodingException {
        String encoded = Base64.encode(str.getBytes(charset));
        return encoded;
    }

    @SuppressWarnings("unused")
    private static String urlEncoder(String str, String charset) throws UnsupportedEncodingException {
        String result = URLEncoder.encode(str, charset);
        return result;
    }

    /**
     * 电商Sign签名生成
     *
     * @param content  内容
     * @param keyValue Appkey
     * @param charset  编码方式
     * @return DataSign签名
     * @throws UnsupportedEncodingException ,Exception
     */
    @SuppressWarnings("unused")
    private static String encrypt(String content, String keyValue, String charset) throws UnsupportedEncodingException, Exception {
        if (keyValue != null) {
            return base64(MD5(content + keyValue, charset), charset);
        }
        return base64(MD5(content, charset), charset);
    }

    /**
     * 向指定 URL 发送POST方法的请求
     *
     * @param url    发送请求的 URL
     * @param params 请求的参数集合
     * @return 远程资源的响应结果
     */
    @SuppressWarnings("unused")
    private static String sendPost(String url, Map<String, String> params) {
        OutputStreamWriter out = null;
        BufferedReader in = null;
        StringBuilder result = new StringBuilder();
        try {
            URL realUrl = new URL(url);
            HttpURLConnection conn = (HttpURLConnection) realUrl.openConnection();
            // 发送POST请求必须设置如下两行
            conn.setDoOutput(true);
            conn.setDoInput(true);
            // POST方法
            conn.setRequestMethod("POST");
            // 设置通用的请求属性
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent",
                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
            conn.connect();
            // 获取URLConnection对象对应的输出流
            out = new OutputStreamWriter(conn.getOutputStream(), "UTF-8");
            // 发送请求参数
            if (params != null) {
                StringBuilder param = new StringBuilder();
                for (Map.Entry<String, String> entry : params.entrySet()) {
                    if (param.length() > 0) {
                        param.append("&");
                    }
                    param.append(entry.getKey());
                    param.append("=");
                    param.append(entry.getValue());
                    System.out.println(entry.getKey() + ":" + entry.getValue());
                }
                System.out.println("param:" + param.toString());
                out.write(param.toString());
            }
            // flush输出流的缓冲
            out.flush();
            // 定义BufferedReader输入流来读取URL的响应
            in = new BufferedReader(
                    new InputStreamReader(conn.getInputStream(), "UTF-8"));
            String line;
            while ((line = in.readLine()) != null) {
                result.append(line);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        //使用finally块来关闭输出流、输入流
        finally {
            try {
                if (out != null) {
                    out.close();
                }
                if (in != null) {
                    in.close();
                }
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
        return result.toString();
    }
}

